Domination number of unit graph of Zn

被引:6
作者
Su, Huadong [1 ]
Yang, Liying [1 ]
机构
[1] Nanning Normal Univ, Sch Math & Stat, Nanning 530299, Guangxi, Peoples R China
基金
中国国家自然科学基金;
关键词
Unit graph; dominating set; domination number; RINGS;
D O I
10.1142/S1793830920500597
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
The unit graph of a ring R is the simple graph, denoted by G(R), whose vertex set is R, and in which two distinct vertices x and y are adjacent if and only if x + y is a unit of R. In this paper, we completely determine the domination number of G(Z(n)) when n has exactly three prime divisors.
引用
收藏
页数:6
相关论文
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